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Fixes for the Allwinner clk driver: 

- Lower the minimum rate for the A523 audio PLL to support
    frequencies required by audio devices
  - Mark a couple clks critical on A523 so that Linux doesn't turn
    them off when they're used by other code like TF-A
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk fixes from Stephen Boyd:
 "Fixes for the Allwinner A523 clk driver:

   - Lower the minimum rate for the A523 audio PLL to support
     frequencies required by audio devices

   - Mark a couple clks critical on A523 so that Linux doesn't turn them
     off when they're used by other code like TF-A"

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: sunxi-ng: sun55i-a523-ccu: Lower audio0 pll minimum rate
  clk: sunxi-ng: sun55i-a523-r-ccu: Mark bus-r-dma as critical
  clk: sunxi-ng: Mark A523 bus-r-cpucfg clock as critical
This commit is contained in:
Linus Torvalds 2025-11-23 12:03:28 -08:00
parent 1af5c1d3a9 3c493b524f
commit d0e88704d9
2 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/clk/sunxi-ng/ccu-sun55i-a523-r.c
View File

@ -121,11 +121,11 @@ static SUNXI_CCU_GATE_HW(bus_r_ir_rx_clk, "bus-r-ir-rx",
&r_apb0_clk.common.hw, 0x1cc, BIT(0), 0);
static SUNXI_CCU_GATE_HW(bus_r_dma_clk, "bus-r-dma",
&r_apb0_clk.common.hw, 0x1dc, BIT(0), 0);
&r_apb0_clk.common.hw, 0x1dc, BIT(0), CLK_IS_CRITICAL);
static SUNXI_CCU_GATE_HW(bus_r_rtc_clk, "bus-r-rtc",
&r_apb0_clk.common.hw, 0x20c, BIT(0), 0);
static SUNXI_CCU_GATE_HW(bus_r_cpucfg_clk, "bus-r-cpucfg",
&r_apb0_clk.common.hw, 0x22c, BIT(0), 0);
&r_apb0_clk.common.hw, 0x22c, BIT(0), CLK_IS_CRITICAL);
static struct ccu_common *sun55i_a523_r_ccu_clks[] = {
&r_ahb_clk.common,

2
drivers/clk/sunxi-ng/ccu-sun55i-a523.c
View File

@ -300,7 +300,7 @@ static struct ccu_nm pll_audio0_4x_clk = {
.m = _SUNXI_CCU_DIV(16, 6),
.sdm = _SUNXI_CCU_SDM(pll_audio0_sdm_table, BIT(24),
0x178, BIT(31)),
.min_rate = 180000000U,
.min_rate = 90000000U,
.max_rate = 3000000000U,
.common = {
.reg = 0x078,